// [1, 2, 3].map((item) => {});
// setInterval(() => {}, 1000)
// window.addEventListener(() => {})

const fs = require("fs");

fs.readFile("./1.txt", "utf-8", (err, data) => {
  if (err) throw err;
  console.log(data);
  fs.readFile("./2.txt", "utf-8", (err, data) => {
    if (err) throw err;
    console.log(data);
    fs.readFile("./2.txt", "utf-8", (err, data) => {
      if (err) throw err;
      console.log(data);
    });
  });
});
